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प्रश्न
What are molecules?
एक पंक्ति में उत्तर
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उत्तर
Molecules are made of atoms. Molecules exhibit the properties of that kind of matter and have independent existence.
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Composition of Matter
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संबंधित प्रश्न
Fill in the blank
Water boils at ______
Select the correct alternative
The molecules ____________
Define matter. What is its composition?
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
What are fluids? Give two examples.
Define Intermolecular force
Write whether the following statement is true or false.
A gas has no free surface.
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Write scientific reasons.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured into a glass.
